package com.whu.zqm.service;

import com.whu.zqm.dao.bookDao;

public class bookServiceimpl implements bookService{
    private bookDao bookdao;

    public void setBookdao(bookDao bookdao){
        this.bookdao = bookdao;
    }
    @Override
    public void sayHello() {
        System.out.println("Hello by service");
        bookdao.sayHello();
    }
}
